View Compilation Error

0_0_22280057_31501.cpp: In function 'void dele(int)':
0_0_22280057_31501.cpp:251:12: error: two consecutive '[' shall only introduce an attribute before '[' token
   if(g!=col[[i]){
            ^
0_0_22280057_31501.cpp:251:12: error: expected ')' before '[' token